{% extends "public/layout.html" %}

{% block content %}
    {{ title }}
    <h1>演示：{{ demo(1) }}</h1>
{#    <h1>{{ test(1,2) }}</h1>#}
{#    <p>{{ sb(1,2) }}</p>#}
{#    <p>{{ 1| db(2,3) }}</p>#}
{#    {{ a_b_sum(99,1) }}#}
{% endblock %}